Also of interest from the Proceedings of the National Academy of Sciences
Researchers report a method for engineering E. coli to produce membrane vesicles containing surfaces coated with O-antigen polysaccharides (O-PS) from pathogenic bacteria, and that mice immunized with...
View ArticlePrevalence of obesity in the US Increases among women, but not men
The prevalence of obesity in 2013- 2014 was 35 percent among men and 40 percent among women, and between 2005 and 2014, there was an increase in prevalence among women, but not men, according to a...
View ArticleFindings suggest small increase in obesity among US teens in recent years
Among US children and adolescents 2 to 19 years of age, the prevalence of obesity in 2011- 2014 was 17 percent, and over approximately the last 25 years, the prevalence has decreased in children age 2...
View ArticleConstrain the composition of Earth’s interior with elasticity of minerals
The new method, which reduces the computational loads to one-tenth of the traditional method, has been used to calculate the elasticity of many minerals with the comparable precise as those on the...
View ArticleNew technique expands pool of gene-corrected liver cells
Sean Nygaard and colleagues have developed a new technique that may help to overcome one of the largest hurdles in gene therapy—the ability to generate a large pool of gene-corrected cells that would...
View ArticleBasaltic rocks in Iceland effective sinks for atmospheric carbon dioxide
Atmospheric carbon dioxide injected into volcanic rock as part of a pilot project in Iceland was almost completely mineralized, or converted to carbonate minerals, in less than two years, a new study...
View ArticleIt’s not an illusion: Transforming infrared into visible light
Researchers have developed a compound that can transform near-infrared light into broadband white-light.
View ArticleBigger and better perovskite solar cells
Researchers have identified a technique for developing perovskite solar cells that significantly increases the area of the cell, while maintaining high conversion efficiency.
View ArticleHow the human brain navigates
Interactions between the hippocampus and the prefrontal cortex enable humans to plan and navigate their route from one location to another, a new study reveals.
View ArticleNeolithic paddy soil reveals the impacts of agricultural intensification on...
A recent study examined the microbial composition and function differences between a buried Neolithic paddy soil and an adjacent, currently-cultivated paddy soil using high throughput metagenomics...
View ArticlePrescription of long-acting opioids associated with increased risk of death
Prescription of long-acting opioids for chronic noncancer pain was associated with an increased risk of all-cause mortality, including deaths from causes other than overdose, compared with...
View ArticleStudy compares effectiveness of weight-loss drugs
In an analysis that included nearly 30,000 overweight or obese adults, compared with placebo, orlistat, lorcaserin, naltrexone-bupropion, phentermine-topiramate, and liraglutide were each associated...
View ArticleStudy finds increase in severity of firearm injuries, in-hospital fatality rate
In a study appearing in the June 14 issue of JAMA, Angela Sauaia, M.D., Ph.D., of the University of Colorado Anschutz Medical Campus, Aurora, and colleagues examined patterns of gunshot...
View ArticleSilicic volcanism on Mars
A silica mineral discovered on Mars formed as a result of ancient high-temperature and high-silica volcanism, a study suggests.
View ArticleClimate change and habitat corridors
Climate-change habitat corridors could allow wildlife to more easily relocate when temperature shifts render ecosystems unsuitable, a study suggests.
View ArticleSleep and memory consolidation
The autonomic nervous system (ANS), which controls involuntary bodily functions such as breathing and the heartbeat, plays a key role in promoting memory consolidation during sleep, a study finds.
View ArticleAlso of interest from the Proceedings of the National Academy of Sciences
Researchers report the synthesis of quasicrystals, which are solids with nonrepeating atomic configurations that have symmetries not seen in ordinary crystals and which have been found to occur...
View ArticleHomologues temperature of olivine links deformation experiments and rheology...
The homologues temperature of a crystalline material is defined as the ratio between its temperature and the melting (solidus) temperature in Kelvin. The melting temperature of olivine decreases with...
View ArticleAntibiotics disrupt infants’ gut microbiome, studies suggest
Two new studies of more than 80 infants altogether offer a clearer picture of how antibiotics, along with birth mode and diet, can disrupt the development of the gut microbiome.
View ArticleResearching how to improve certification of intelligent devices
In today’s world there are more devices capable of processing and transmitting information that monitor a multitude of physical processes in interconnected global digital networks, such as drones,...
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